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Design and calculations of high performance baffle (splitter) silencers

Details: Published: 30 April 2024

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General information relating to the performance of baffle (splitter) silencers

In the building sector or in an industrial context, noise limitation in air networks is often achieved by means of baffle (splitter) silencers i.e. constructions with a casing (in some cases: constituted by a duct, or an existing chimney flue) and, inside, with sound-absorbing elements (wool or foam with various surfacings and protections depending on the context) held...

Noise attenuation - Cylindrical dissipative silencer with reduced pressure drop

Details: Published: 06 January 2024

General information relating to noise attenuation and pressure drop of dissipative silencers

Whether in the construction sector, or for industrial applications, noise attenuation in fluid networks is often achieved using dissipative silencers. The power of the sound waves is then reduced (mainly) depending on the distance traveled along their path in the open channels i.e. the airways (with on the periphery - and/or in the form of splitters - a packing of sound absorbing material) and...

Design calculations with SILDIS^® software for mufflers with perforated pipes for gas flow noise reduction

Details: Published: 06 November 2023

Use of mufflers including perforated pipes to reduce gas flow noise

Mufflers including perforated pipes are used in different contexts for reducing gas flow noise (depending on the application: at ambient or variable temperature e.g. very high):